Home / 477,204.54-658,555.90-290,946.75

Finding the Fourth Proportional to 477,204.54, 658,555.90 and 290,946.75

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Solution

The fourth proportional to 477,204.54, 658,555.90 and 290,946.75 is: 401,514.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,204.54 : 658,555.90 = 290,946.75 : x
  2. Step 2: Convert to fraction form
    477,204.54/658,555.90 = 290,946.75/x
  3. Step 3: Cross multiply
    477,204.54x = 658,555.90 × 290,946.75
  4. Step 4: Simplify right side
    477,204.54x = 191,604,698,070.96
  5. Step 5: Solve for x
    x = 191,604,698,070.96/477,204.54
  6. Step 6: Final answer
    x = 401,514.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.